Put the lentils and the measured water into a heavy pot and bring to the boil. Cover, reduce the heat to low and simmer gently for 45–60 minutes.
Over a medium flame, heat the oil in a pot large enough to hold the spinach. When hot, put in the chillies and ginger. Stir and fry for 10 seconds. Add the fresh green coriander and spinach. Stir and cook until the sp